# robot模組下的類別須繼承自Robot和theading.Thread，並實做start()

__author__="Tony"
__date__ ="$2011/2/26 下午 10:44:50$"

class Robot(threading.Thread):
    pass
class PassiveRobot(Robot):
    pass
class ActiveRobot(Robot):
    pass

if __name__ == "__main__":
    print "Hello World"